The Fourier series for the triangular-type waveform shown in Fig. 15.11c with A = 5 is given by the equation
v(t)= \sum\limits_{\underset{n \ odd}{n = 1} } ^{\infty}\left(\frac{20}{n \pi} \sin n \omega_{0} t-\frac{40}{n^{2} \pi^{2}} \cos n \omega_{0} t\right)